An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Zwart I, Hill AJ, Al-Allaf F, Shah M, Girdlestone J, Sanusi AB, Mehmet H, Navarrete R, Navarrete C, Jen LS.Zwart I, et al.Exp Neurol. 2009 Apr;216(2):439-48. doi: 10.1016/j.expneurol.2008.12.028.Exp Neurol. 2009.PMID: 19320003